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[Bug 1361895] Re: Openjdk-8-jdk is a debug build

 

The general Debian/Ubuntu packaging process involves (ideally) a release
build with debug symbols or a debug build, and then the debug symbols
are split into a separate file that would be in -dbg. From what I can
tell, this has happened already; the openjdk-8-dbg package install size
is 136 MB. In the case of this package, it seems the built files are
closer to a release build with debug symbols than a debug build. See
https://blogs.oracle.com/kto/entry/mustang_jdk_6_0_fastdebug for more
information on what fastdebug is.

That being said, it doesn't look like OpenJDK 7 was built with the
fastdebug option, it may be why this is being exhibited now rather than
before.

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https://bugs.launchpad.net/bugs/1361895

Title:
  Openjdk-8-jdk is a debug build

Status in “openjdk-8” package in Ubuntu:
  New

Bug description:
  The current openjdk-8-jdk package  for Ubuntu 14.10 installs a version
  of java that reports "openjdk version 1.8.0_01-internal-fastdebug" as
  its version. This is a debug build that works painfully slow. Using it
  to run Eclipse and do stuff like building projects or even open source
  everything takes about five times as long as when using openjdk-7-jdk.

  This package should not contain a debug build, if at all a debug
  version should be in a separate package.

  Expected: getting a normal production build to run Java programs for
  normal use.

  Instead: II got a debug build that runs Java programs painfully slow
  (and probably with a lot of memory overhead although I did not check
  that).

  silvio@mizuno:~$ lsb_release -rd
  Description:	Ubuntu Utopic Unicorn (development branch)
  Release:	14.10

  silvio@mizuno:~$ apt-cache policy openjdk-8-jdk
  openjdk-8-jdk:
    Installed: 8u20-b26-1ubuntu1
    Candidate: 8u20-b26-1ubuntu1
    Version table:
   *** 8u20-b26-1ubuntu1 0
          500 http://archive.ubuntu.com/ubuntu/ utopic/universe amd64 Packages
          100 /var/lib/dpkg/status

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References